How to tell if the GC is running?

[Tomer Filiba]

On Sunday, 6 April 2014 at 16:34:02 UTC, safety0ff wrote:
> Please post more of the stack trace, it looks like you're 
> allocating while it is running the destructors / finalization 
> (#11408.)
>
> https://d.puremagic.com/issues/show_bug.cgi?id=11408

Yes, I know I'm allocating while the GC is collecting. I'm asking 
how to avoid this situation -- is there some way to tell that the 
GC is running?

-tomer